define('uuid',function (require, exports, module) {
		var getUUID = function() {

		    // Private array of chars to use
		    var CHARS = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');

		    return function(len, radix) {

		        var chars = CHARS,
		        uuid = [],
		        rnd = Math.random;

		        radix = radix || chars.length;

		        if (len) {

		            // Compact form
		            for (var i = 0; i < len; i++) uuid[i] = chars[0 | rnd() * radix];

		        } else {

		            // rfc4122, version 4 form
		            var r;

		            // rfc4122 requires these characters
		            uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-';

		            uuid[14] = '4';

		            // Fill in random data.  At i==19 set the high bits of clock sequence as
		            // per rfc4122, sec. 4.1.5
		            for (var i = 0; i < 36; i++) {

		                if (!uuid[i]) {

		                    r = 0 | rnd() * 16;

		                    uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8: r & 0xf];

		                }

		            }

		        }
		        return uuid.join('');
		    };
		} 
		
		return {
			getUUID:getUUID
		}
});